@BOOKLET {SHANOWER:1991a, title = {Distribution and abundance of some stem and cob borers in Benin: Plant Health Management research monograph No. 1}, author = {Shanower, T. G. and Schulthess, F. and Gounou, S. }, year = {1991}, address = {International Institute of Tropical Agriculture (IITA)}, howpublished = {Plant Health Management research monograph No. 1}, note = {23p.}, }